query: SELECT avg(ranking) ,  T1.first_name FROM players AS T1 JOIN rankings AS T2 ON T1.player_id  =  T2.player_id GROUP BY T1.first_name
question: What-all a first name them all player them, and them average ranking them?
query_toks: SELECT avg ( ranking ) , T1.first_name FROM players AS T1 JOIN rankings AS T2 ON T1.player_id = T2.player_id GROUP BY T1.first_name
query_toks_no_value: select avg ( ranking ) , t1 . first_name from players as t1 join rankings as t2 on t1 . player_id = t2 . player_id group by t1 . first_name
question_toks: What-all a first name them all player them, and them average ranking them?